JP7444289B2 - 位置特定システム、振動発生器、及び位置特定方法 - Google Patents

位置特定システム、振動発生器、及び位置特定方法 Download PDF

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JP7444289B2
JP7444289B2 JP2022564920A JP2022564920A JP7444289B2 JP 7444289 B2 JP7444289 B2 JP 7444289B2 JP 2022564920 A JP2022564920 A JP 2022564920A JP 2022564920 A JP2022564920 A JP 2022564920A JP 7444289 B2 JP7444289 B2 JP 7444289B2
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vibration
optical fiber
location
position information
distance
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JPWO2022113252A1 (https=
JPWO2022113252A5 (https=
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忠行 岩野
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NEC Corp
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NEC Corp
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
    • G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V9/00—Prospecting or detecting by methods not provided for in groups G01V1/00 - G01V8/00

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
JP2022564920A 2020-11-27 2020-11-27 位置特定システム、振動発生器、及び位置特定方法 Active JP7444289B2 (ja)

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PCT/JP2020/044161 WO2022113252A1 (ja) 2020-11-27 2020-11-27 位置特定システム、振動発生器、及び位置特定方法

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JPWO2022113252A5 JPWO2022113252A5 (https=) 2023-08-07
JP7444289B2 true JP7444289B2 (ja) 2024-03-06

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022157877A1 (ja) * 2021-01-21 2022-07-28 日本電信電話株式会社 設備位置特定システム、カバー、及び設備位置特定方法
CN116917703A (zh) * 2021-02-17 2023-10-20 日本电信电话株式会社 电线杆位置确定方法和架空光缆的状态推定方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016085085A (ja) 2014-10-24 2016-05-19 株式会社日立製作所 物理探査システム及びデータ記録装置
JP2019211349A (ja) 2018-06-05 2019-12-12 日本電信電話株式会社 光ファイバ経路探索方法、光ファイバ経路探索システム、信号処理装置およびプログラム
JP2020052030A (ja) 2018-09-20 2020-04-02 日本電信電話株式会社 マンホール位置特定方法及びマンホール位置特定システム
US20200124735A1 (en) 2018-10-23 2020-04-23 Nec Laboratories America, Inc Smart optical cable positioning/location using optical fiber sensing

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05215864A (ja) * 1991-08-02 1993-08-27 Furukawa Electric Co Ltd:The 光伝送路の探査方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016085085A (ja) 2014-10-24 2016-05-19 株式会社日立製作所 物理探査システム及びデータ記録装置
JP2019211349A (ja) 2018-06-05 2019-12-12 日本電信電話株式会社 光ファイバ経路探索方法、光ファイバ経路探索システム、信号処理装置およびプログラム
JP2020052030A (ja) 2018-09-20 2020-04-02 日本電信電話株式会社 マンホール位置特定方法及びマンホール位置特定システム
US20200124735A1 (en) 2018-10-23 2020-04-23 Nec Laboratories America, Inc Smart optical cable positioning/location using optical fiber sensing

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WO2022113252A1 (ja) 2022-06-02
US20240003738A1 (en) 2024-01-04

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